    001    /* ===========================================================
    002     * JFreeChart : a free chart library for the Java(tm) platform
    003     * ===========================================================
    004     *
    005     * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jfreechart/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * ---------------
    028     * BlockFrame.java
    029     * ---------------
    030     * (C) Copyright 2007, by Object Refinery Limited.
    031     *
    032     * Original Author:  David Gilbert (for Object Refinery Limited);
    033     * Contributor(s):   -;
    034     *
    035     * $Id: BlockFrame.java,v 1.1.2.1 2007/03/16 15:26:15 mungady Exp $
    036     *
    037     * Changes:
    038     * --------
    039     * 16-Mar-2007 : Version 1 (DG);
    040     *
    041     */
    042
    043    package org.jfree.chart.block;
    044
    045    import java.awt.Graphics2D;
    046    import java.awt.geom.Rectangle2D;
    047
    048    import org.jfree.ui.RectangleInsets;
    049    import org.jfree.util.PublicCloneable;
    050
    051    /**
    052     * A block frame is a type of border that can be drawn around the outside of
    053     * any {@link AbstractBlock}.  Classes that implement this interface should
    054     * implement {@link PublicCloneable} OR be immutable.
    055     *
    056     * @since 1.0.5
    057     */
    058    public interface BlockFrame {
    059
    060        /**
    061         * Returns the space reserved for the border.
    062         *
    063         * @return The space (never <code>null</code>).
    064         */
    065        public RectangleInsets getInsets();
    066
    067        /**
    068         * Draws the border by filling in the reserved space (in black).
    069         *
    070         * @param g2  the graphics device.
    071         * @param area  the area.
    072         */
    073        public void draw(Graphics2D g2, Rectangle2D area);
    074
    075    }